1 files changed, 4 insertions, 0 deletions
diff --git a/ui-shared.c b/ui-shared.c
index be2c75d..3e13c86 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -259,105 +259,109 @@ void cgit_diff_link(char *name, char *title, char *class, char *head,
        if (new_rev && strcmp(new_rev, cgit_query_head)) {
                html(delim);
                html("id=");
                html_attr(new_rev);
                delim = "&amp;";
        }
        if (old_rev) {
                html(delim);
                html("id2=");
                html_attr(old_rev);
        }
        html("'>");
        html_txt(name);
        html("</a>");
 }
 void cgit_object_link(struct object *obj)
 {
        char *page, *arg, *url;
        if (obj->type == OBJ_COMMIT) {
                cgit_commit_link(fmt("commit %s", sha1_to_hex(obj->sha1)), NULL, NULL,
                                 cgit_query_head, sha1_to_hex(obj->sha1));
                return;
        } else if (obj->type == OBJ_TREE) {
                page = "tree";
                arg = "id";
        } else if (obj->type == OBJ_TAG) {
                page = "tag";
                arg = "id";
        } else {
                page = "blob";
                arg = "id";
        }
        url = cgit_pageurl(cgit_query_repo, page,
                           fmt("%s=%s", arg, sha1_to_hex(obj->sha1)));
        html_link_open(url, NULL, NULL);
        htmlf("%s %s", typename(obj->type),
              sha1_to_hex(obj->sha1));
        html_link_close();
 }
 void cgit_print_date(time_t secs, char *format)
 {
        char buf[64];
        struct tm *time;
+        if (!secs)
+                return;
        time = gmtime(&secs);
        strftime(buf, sizeof(buf)-1, format, time);
        html_txt(buf);
 }
 void cgit_print_age(time_t t, time_t max_relative, char *format)
 {
        time_t now, secs;
+        if (!t)
+                return;
        time(&now);
        secs = now - t;
        if (secs > max_relative && max_relative >= 0) {
                cgit_print_date(t, format);
                return;
        }
        if (secs < TM_HOUR * 2) {
                htmlf("<span class='age-mins'>%.0f min.</span>",
                      secs * 1.0 / TM_MIN);
                return;
        }
        if (secs < TM_DAY * 2) {
                htmlf("<span class='age-hours'>%.0f hours</span>",
                      secs * 1.0 / TM_HOUR);
                return;
        }
        if (secs < TM_WEEK * 2) {
                htmlf("<span class='age-days'>%.0f days</span>",
                      secs * 1.0 / TM_DAY);
                return;
        }
        if (secs < TM_MONTH * 2) {
                htmlf("<span class='age-weeks'>%.0f weeks</span>",
                      secs * 1.0 / TM_WEEK);
                return;
        }
        if (secs < TM_YEAR * 2) {
                htmlf("<span class='age-months'>%.0f months</span>",
                      secs * 1.0 / TM_MONTH);
                return;
        }
        htmlf("<span class='age-years'>%.0f years</span>",
              secs * 1.0 / TM_YEAR);
 }
 void cgit_print_docstart(char *title, struct cacheitem *item)
 {
        html("Content-Type: text/html; charset=" PAGE_ENCODING "\n");
        htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
        htmlf("Expires: %s\n", http_date(item->st.st_mtime +
                                         ttl_seconds(item->ttl)));
        html("\n");
        html(cgit_doctype);
        html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n");
        html("<head>\n");
        html("<title>");